Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
144.21.216.1 0:0:0:0:0:ffff:9015:d801
144.21.216.2 0:0:0:0:0:ffff:9015:d802
144.21.216.3 0:0:0:0:0:ffff:9015:d803
144.21.216.4 0:0:0:0:0:ffff:9015:d804
144.21.216.5 0:0:0:0:0:ffff:9015:d805
144.21.216.6 0:0:0:0:0:ffff:9015:d806
144.21.216.7 0:0:0:0:0:ffff:9015:d807
144.21.216.8 0:0:0:0:0:ffff:9015:d808
144.21.216.9 0:0:0:0:0:ffff:9015:d809
144.21.216.10 0:0:0:0:0:ffff:9015:d80a
144.21.216.11 0:0:0:0:0:ffff:9015:d80b
144.21.216.12 0:0:0:0:0:ffff:9015:d80c
144.21.216.13 0:0:0:0:0:ffff:9015:d80d
144.21.216.14 0:0:0:0:0:ffff:9015:d80e
144.21.216.15 0:0:0:0:0:ffff:9015:d80f
144.21.216.16 0:0:0:0:0:ffff:9015:d810
144.21.216.17 0:0:0:0:0:ffff:9015:d811
144.21.216.18 0:0:0:0:0:ffff:9015:d812
144.21.216.19 0:0:0:0:0:ffff:9015:d813
144.21.216.20 0:0:0:0:0:ffff:9015:d814
144.21.216.21 0:0:0:0:0:ffff:9015:d815
144.21.216.22 0:0:0:0:0:ffff:9015:d816
144.21.216.23 0:0:0:0:0:ffff:9015:d817
144.21.216.24 0:0:0:0:0:ffff:9015:d818
144.21.216.25 0:0:0:0:0:ffff:9015:d819
144.21.216.26 0:0:0:0:0:ffff:9015:d81a
144.21.216.27 0:0:0:0:0:ffff:9015:d81b
144.21.216.28 0:0:0:0:0:ffff:9015:d81c
144.21.216.29 0:0:0:0:0:ffff:9015:d81d
144.21.216.30 0:0:0:0:0:ffff:9015:d81e
144.21.216.31 0:0:0:0:0:ffff:9015:d81f
144.21.216.32 0:0:0:0:0:ffff:9015:d820
144.21.216.33 0:0:0:0:0:ffff:9015:d821
144.21.216.34 0:0:0:0:0:ffff:9015:d822
144.21.216.35 0:0:0:0:0:ffff:9015:d823
144.21.216.36 0:0:0:0:0:ffff:9015:d824
144.21.216.37 0:0:0:0:0:ffff:9015:d825
144.21.216.38 0:0:0:0:0:ffff:9015:d826
144.21.216.39 0:0:0:0:0:ffff:9015:d827
144.21.216.40 0:0:0:0:0:ffff:9015:d828
144.21.216.41 0:0:0:0:0:ffff:9015:d829
144.21.216.42 0:0:0:0:0:ffff:9015:d82a
144.21.216.43 0:0:0:0:0:ffff:9015:d82b
144.21.216.44 0:0:0:0:0:ffff:9015:d82c
144.21.216.45 0:0:0:0:0:ffff:9015:d82d
144.21.216.46 0:0:0:0:0:ffff:9015:d82e
144.21.216.47 0:0:0:0:0:ffff:9015:d82f
144.21.216.48 0:0:0:0:0:ffff:9015:d830
144.21.216.49 0:0:0:0:0:ffff:9015:d831
144.21.216.50 0:0:0:0:0:ffff:9015:d832
144.21.216.51 0:0:0:0:0:ffff:9015:d833
144.21.216.52 0:0:0:0:0:ffff:9015:d834
144.21.216.53 0:0:0:0:0:ffff:9015:d835
144.21.216.54 0:0:0:0:0:ffff:9015:d836
144.21.216.55 0:0:0:0:0:ffff:9015:d837
144.21.216.56 0:0:0:0:0:ffff:9015:d838
144.21.216.57 0:0:0:0:0:ffff:9015:d839
144.21.216.58 0:0:0:0:0:ffff:9015:d83a
144.21.216.59 0:0:0:0:0:ffff:9015:d83b
144.21.216.60 0:0:0:0:0:ffff:9015:d83c


144.21.216.61 0:0:0:0:0:ffff:9015:d83d
144.21.216.62 0:0:0:0:0:ffff:9015:d83e
144.21.216.63 0:0:0:0:0:ffff:9015:d83f
144.21.216.64 0:0:0:0:0:ffff:9015:d840
144.21.216.65 0:0:0:0:0:ffff:9015:d841
144.21.216.66 0:0:0:0:0:ffff:9015:d842
144.21.216.67 0:0:0:0:0:ffff:9015:d843
144.21.216.68 0:0:0:0:0:ffff:9015:d844
144.21.216.69 0:0:0:0:0:ffff:9015:d845
144.21.216.70 0:0:0:0:0:ffff:9015:d846
144.21.216.71 0:0:0:0:0:ffff:9015:d847
144.21.216.72 0:0:0:0:0:ffff:9015:d848
144.21.216.73 0:0:0:0:0:ffff:9015:d849
144.21.216.74 0:0:0:0:0:ffff:9015:d84a
144.21.216.75 0:0:0:0:0:ffff:9015:d84b
144.21.216.76 0:0:0:0:0:ffff:9015:d84c
144.21.216.77 0:0:0:0:0:ffff:9015:d84d
144.21.216.78 0:0:0:0:0:ffff:9015:d84e
144.21.216.79 0:0:0:0:0:ffff:9015:d84f
144.21.216.80 0:0:0:0:0:ffff:9015:d850
144.21.216.81 0:0:0:0:0:ffff:9015:d851
144.21.216.82 0:0:0:0:0:ffff:9015:d852
144.21.216.83 0:0:0:0:0:ffff:9015:d853
144.21.216.84 0:0:0:0:0:ffff:9015:d854
144.21.216.85 0:0:0:0:0:ffff:9015:d855
144.21.216.86 0:0:0:0:0:ffff:9015:d856
144.21.216.87 0:0:0:0:0:ffff:9015:d857
144.21.216.88 0:0:0:0:0:ffff:9015:d858
144.21.216.89 0:0:0:0:0:ffff:9015:d859
144.21.216.90 0:0:0:0:0:ffff:9015:d85a
144.21.216.91 0:0:0:0:0:ffff:9015:d85b
144.21.216.92 0:0:0:0:0:ffff:9015:d85c
144.21.216.93 0:0:0:0:0:ffff:9015:d85d
144.21.216.94 0:0:0:0:0:ffff:9015:d85e
144.21.216.95 0:0:0:0:0:ffff:9015:d85f
144.21.216.96 0:0:0:0:0:ffff:9015:d860
144.21.216.97 0:0:0:0:0:ffff:9015:d861
144.21.216.98 0:0:0:0:0:ffff:9015:d862
144.21.216.99 0:0:0:0:0:ffff:9015:d863
144.21.216.100 0:0:0:0:0:ffff:9015:d864
144.21.216.101 0:0:0:0:0:ffff:9015:d865
144.21.216.102 0:0:0:0:0:ffff:9015:d866
144.21.216.103 0:0:0:0:0:ffff:9015:d867
144.21.216.104 0:0:0:0:0:ffff:9015:d868
144.21.216.105 0:0:0:0:0:ffff:9015:d869
144.21.216.106 0:0:0:0:0:ffff:9015:d86a
144.21.216.107 0:0:0:0:0:ffff:9015:d86b
144.21.216.108 0:0:0:0:0:ffff:9015:d86c
144.21.216.109 0:0:0:0:0:ffff:9015:d86d
144.21.216.110 0:0:0:0:0:ffff:9015:d86e
144.21.216.111 0:0:0:0:0:ffff:9015:d86f
144.21.216.112 0:0:0:0:0:ffff:9015:d870
144.21.216.113 0:0:0:0:0:ffff:9015:d871
144.21.216.114 0:0:0:0:0:ffff:9015:d872
144.21.216.115 0:0:0:0:0:ffff:9015:d873
144.21.216.116 0:0:0:0:0:ffff:9015:d874
144.21.216.117 0:0:0:0:0:ffff:9015:d875
144.21.216.118 0:0:0:0:0:ffff:9015:d876
144.21.216.119 0:0:0:0:0:ffff:9015:d877
144.21.216.120 0:0:0:0:0:ffff:9015:d878


144.21.216.121 0:0:0:0:0:ffff:9015:d879
144.21.216.122 0:0:0:0:0:ffff:9015:d87a
144.21.216.123 0:0:0:0:0:ffff:9015:d87b
144.21.216.124 0:0:0:0:0:ffff:9015:d87c
144.21.216.125 0:0:0:0:0:ffff:9015:d87d
144.21.216.126 0:0:0:0:0:ffff:9015:d87e
144.21.216.127 0:0:0:0:0:ffff:9015:d87f
144.21.216.128 0:0:0:0:0:ffff:9015:d880
144.21.216.129 0:0:0:0:0:ffff:9015:d881
144.21.216.130 0:0:0:0:0:ffff:9015:d882
144.21.216.131 0:0:0:0:0:ffff:9015:d883
144.21.216.132 0:0:0:0:0:ffff:9015:d884
144.21.216.133 0:0:0:0:0:ffff:9015:d885
144.21.216.134 0:0:0:0:0:ffff:9015:d886
144.21.216.135 0:0:0:0:0:ffff:9015:d887
144.21.216.136 0:0:0:0:0:ffff:9015:d888
144.21.216.137 0:0:0:0:0:ffff:9015:d889
144.21.216.138 0:0:0:0:0:ffff:9015:d88a
144.21.216.139 0:0:0:0:0:ffff:9015:d88b
144.21.216.140 0:0:0:0:0:ffff:9015:d88c
144.21.216.141 0:0:0:0:0:ffff:9015:d88d
144.21.216.142 0:0:0:0:0:ffff:9015:d88e
144.21.216.143 0:0:0:0:0:ffff:9015:d88f
144.21.216.144 0:0:0:0:0:ffff:9015:d890
144.21.216.145 0:0:0:0:0:ffff:9015:d891
144.21.216.146 0:0:0:0:0:ffff:9015:d892
144.21.216.147 0:0:0:0:0:ffff:9015:d893
144.21.216.148 0:0:0:0:0:ffff:9015:d894
144.21.216.149 0:0:0:0:0:ffff:9015:d895
144.21.216.150 0:0:0:0:0:ffff:9015:d896
144.21.216.151 0:0:0:0:0:ffff:9015:d897
144.21.216.152 0:0:0:0:0:ffff:9015:d898
144.21.216.153 0:0:0:0:0:ffff:9015:d899
144.21.216.154 0:0:0:0:0:ffff:9015:d89a
144.21.216.155 0:0:0:0:0:ffff:9015:d89b
144.21.216.156 0:0:0:0:0:ffff:9015:d89c
144.21.216.157 0:0:0:0:0:ffff:9015:d89d
144.21.216.158 0:0:0:0:0:ffff:9015:d89e
144.21.216.159 0:0:0:0:0:ffff:9015:d89f
144.21.216.160 0:0:0:0:0:ffff:9015:d8a0
144.21.216.161 0:0:0:0:0:ffff:9015:d8a1
144.21.216.162 0:0:0:0:0:ffff:9015:d8a2
144.21.216.163 0:0:0:0:0:ffff:9015:d8a3
144.21.216.164 0:0:0:0:0:ffff:9015:d8a4
144.21.216.165 0:0:0:0:0:ffff:9015:d8a5
144.21.216.166 0:0:0:0:0:ffff:9015:d8a6
144.21.216.167 0:0:0:0:0:ffff:9015:d8a7
144.21.216.168 0:0:0:0:0:ffff:9015:d8a8
144.21.216.169 0:0:0:0:0:ffff:9015:d8a9
144.21.216.170 0:0:0:0:0:ffff:9015:d8aa
144.21.216.171 0:0:0:0:0:ffff:9015:d8ab
144.21.216.172 0:0:0:0:0:ffff:9015:d8ac
144.21.216.173 0:0:0:0:0:ffff:9015:d8ad
144.21.216.174 0:0:0:0:0:ffff:9015:d8ae
144.21.216.175 0:0:0:0:0:ffff:9015:d8af
144.21.216.176 0:0:0:0:0:ffff:9015:d8b0
144.21.216.177 0:0:0:0:0:ffff:9015:d8b1
144.21.216.178 0:0:0:0:0:ffff:9015:d8b2
144.21.216.179 0:0:0:0:0:ffff:9015:d8b3
144.21.216.180 0:0:0:0:0:ffff:9015:d8b4


144.21.216.181 0:0:0:0:0:ffff:9015:d8b5
144.21.216.182 0:0:0:0:0:ffff:9015:d8b6
144.21.216.183 0:0:0:0:0:ffff:9015:d8b7
144.21.216.184 0:0:0:0:0:ffff:9015:d8b8
144.21.216.185 0:0:0:0:0:ffff:9015:d8b9
144.21.216.186 0:0:0:0:0:ffff:9015:d8ba
144.21.216.187 0:0:0:0:0:ffff:9015:d8bb
144.21.216.188 0:0:0:0:0:ffff:9015:d8bc
144.21.216.189 0:0:0:0:0:ffff:9015:d8bd
144.21.216.190 0:0:0:0:0:ffff:9015:d8be
144.21.216.191 0:0:0:0:0:ffff:9015:d8bf
144.21.216.192 0:0:0:0:0:ffff:9015:d8c0
144.21.216.193 0:0:0:0:0:ffff:9015:d8c1
144.21.216.194 0:0:0:0:0:ffff:9015:d8c2
144.21.216.195 0:0:0:0:0:ffff:9015:d8c3
144.21.216.196 0:0:0:0:0:ffff:9015:d8c4
144.21.216.197 0:0:0:0:0:ffff:9015:d8c5
144.21.216.198 0:0:0:0:0:ffff:9015:d8c6
144.21.216.199 0:0:0:0:0:ffff:9015:d8c7
144.21.216.200 0:0:0:0:0:ffff:9015:d8c8
144.21.216.201 0:0:0:0:0:ffff:9015:d8c9
144.21.216.202 0:0:0:0:0:ffff:9015:d8ca
144.21.216.203 0:0:0:0:0:ffff:9015:d8cb
144.21.216.204 0:0:0:0:0:ffff:9015:d8cc
144.21.216.205 0:0:0:0:0:ffff:9015:d8cd
144.21.216.206 0:0:0:0:0:ffff:9015:d8ce
144.21.216.207 0:0:0:0:0:ffff:9015:d8cf
144.21.216.208 0:0:0:0:0:ffff:9015:d8d0
144.21.216.209 0:0:0:0:0:ffff:9015:d8d1
144.21.216.210 0:0:0:0:0:ffff:9015:d8d2
144.21.216.211 0:0:0:0:0:ffff:9015:d8d3
144.21.216.212 0:0:0:0:0:ffff:9015:d8d4
144.21.216.213 0:0:0:0:0:ffff:9015:d8d5
144.21.216.214 0:0:0:0:0:ffff:9015:d8d6
144.21.216.215 0:0:0:0:0:ffff:9015:d8d7
144.21.216.216 0:0:0:0:0:ffff:9015:d8d8
144.21.216.217 0:0:0:0:0:ffff:9015:d8d9
144.21.216.218 0:0:0:0:0:ffff:9015:d8da
144.21.216.219 0:0:0:0:0:ffff:9015:d8db
144.21.216.220 0:0:0:0:0:ffff:9015:d8dc
144.21.216.221 0:0:0:0:0:ffff:9015:d8dd
144.21.216.222 0:0:0:0:0:ffff:9015:d8de
144.21.216.223 0:0:0:0:0:ffff:9015:d8df
144.21.216.224 0:0:0:0:0:ffff:9015:d8e0
144.21.216.225 0:0:0:0:0:ffff:9015:d8e1
144.21.216.226 0:0:0:0:0:ffff:9015:d8e2
144.21.216.227 0:0:0:0:0:ffff:9015:d8e3
144.21.216.228 0:0:0:0:0:ffff:9015:d8e4
144.21.216.229 0:0:0:0:0:ffff:9015:d8e5
144.21.216.230 0:0:0:0:0:ffff:9015:d8e6
144.21.216.231 0:0:0:0:0:ffff:9015:d8e7
144.21.216.232 0:0:0:0:0:ffff:9015:d8e8
144.21.216.233 0:0:0:0:0:ffff:9015:d8e9
144.21.216.234 0:0:0:0:0:ffff:9015:d8ea
144.21.216.235 0:0:0:0:0:ffff:9015:d8eb
144.21.216.236 0:0:0:0:0:ffff:9015:d8ec
144.21.216.237 0:0:0:0:0:ffff:9015:d8ed
144.21.216.238 0:0:0:0:0:ffff:9015:d8ee
144.21.216.239 0:0:0:0:0:ffff:9015:d8ef
144.21.216.240 0:0:0:0:0:ffff:9015:d8f0
144.21.216.241 0:0:0:0:0:ffff:9015:d8f1
144.21.216.242 0:0:0:0:0:ffff:9015:d8f2
144.21.216.243 0:0:0:0:0:ffff:9015:d8f3
144.21.216.244 0:0:0:0:0:ffff:9015:d8f4
144.21.216.245 0:0:0:0:0:ffff:9015:d8f5
144.21.216.246 0:0:0:0:0:ffff:9015:d8f6
144.21.216.247 0:0:0:0:0:ffff:9015:d8f7
144.21.216.248 0:0:0:0:0:ffff:9015:d8f8
144.21.216.249 0:0:0:0:0:ffff:9015:d8f9
144.21.216.250 0:0:0:0:0:ffff:9015:d8fa
144.21.216.251 0:0:0:0:0:ffff:9015:d8fb
144.21.216.252 0:0:0:0:0:ffff:9015:d8fc
144.21.216.253 0:0:0:0:0:ffff:9015:d8fd
144.21.216.254 0:0:0:0:0:ffff:9015:d8fe
144.21.216.255 0:0:0:0:0:ffff:9015:d8ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.